Step-by-step explanation:
What are the mole ratio and the mass ratio for H2O to O2 in the reaction 2H2 + O2 → 2H2O? Mole ratio of H2O to O2 in the given reaction is H2O : O2 = 2 : 1. Mass ratio of H2O to O2 in the given reaction is H2O : O2 = 36 : 32 = 1 : 1.1.